1 files changed, 96 insertions, 1 deletions

diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c
index a2ab52b27265..1389958b201d 100644
--- a/sound/pci/hda/hda_jack.c
+++ b/sound/pci/hda/hda_jack.c
@@ -13,6 +13,7 @@
 #include <linux/slab.h>
 #include <sound/core.h>
 #include <sound/control.h>
+#include <sound/jack.h>
 #include "hda_codec.h"
 #include "hda_local.h"
 #include "hda_jack.h"
@@ -87,8 +88,15 @@ snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid)
 	return jack;
 }
 
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+static void snd_hda_input_jack_free(struct hda_codec *codec);
+#else
+#define snd_hda_input_jack_free(codec)
+#endif
+
 void snd_hda_jack_tbl_clear(struct hda_codec *codec)
 {
+	snd_hda_input_jack_free(codec);
 	snd_array_free(&codec->jacktbl);
 }
 
@@ -186,7 +194,7 @@ void snd_hda_jack_report_sync(struct hda_codec *codec)
 		if (jack->nid) {
 			jack_detect_update(codec, jack);
 			state = get_jack_plug_state(jack->pin_sense);
-			snd_kctl_jack_notify(codec->bus->card, jack->kctl, state);
+			snd_kctl_jack_report(codec->bus->card, jack->kctl, state);
 		}
 }
 EXPORT_SYMBOL_HDA(snd_hda_jack_report_sync);
@@ -287,3 +295,90 @@ int snd_hda_jack_add_kctls(struct hda_codec *codec,
 	return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctls);
+
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+/*
+ * Input-jack notification support
+ */
+static const char *get_jack_default_name(struct hda_codec *codec, hda_nid_t nid,
+					 int type)
+{
+	switch (type) {
+	case SND_JACK_HEADPHONE:
+		return "Headphone";
+	case SND_JACK_MICROPHONE:
+		return "Mic";
+	case SND_JACK_LINEOUT:
+		return "Line-out";
+	case SND_JACK_LINEIN:
+		return "Line-in";
+	case SND_JACK_HEADSET:
+		return "Headset";
+	case SND_JACK_VIDEOOUT:
+		return "HDMI/DP";
+	default:
+		return "Misc";
+	}
+}
+
+static void hda_free_jack_priv(struct snd_jack *jack)
+{
+	struct hda_jack_tbl *jacks = jack->private_data;
+	jacks->nid = 0;
+	jacks->jack = NULL;
+}
+
+int snd_hda_input_jack_add(struct hda_codec *codec, hda_nid_t nid, int type,
+			   const char *name)
+{
+	struct hda_jack_tbl *jack = snd_hda_jack_tbl_new(codec, nid);
+	int err;
+
+	if (!jack)
+		return -ENOMEM;
+	if (!name)
+		name = get_jack_default_name(codec, nid, type);
+	err = snd_jack_new(codec->bus->card, name, type, &jack->jack);
+	if (err < 0)
+		return err;
+	jack->jack->private_data = jack;
+	jack->jack->private_free = hda_free_jack_priv;
+	return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_input_jack_add);
+
+void snd_hda_input_jack_report(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid);
+	unsigned int pin_ctl;
+	unsigned int present;
+	int type;
+
+	if (!jack)
+		return;
+
+	present = snd_hda_jack_detect(codec, nid);
+	type = jack->type;
+	if (type == (SND_JACK_HEADPHONE | SND_JACK_LINEOUT)) {
+		pin_ctl = snd_hda_codec_read(codec, nid, 0,
+					     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+		type = (pin_ctl & AC_PINCTL_HP_EN) ?
+			SND_JACK_HEADPHONE : SND_JACK_LINEOUT;
+	}
+	snd_jack_report(jack->jack, present ? type : 0);
+}
+EXPORT_SYMBOL_HDA(snd_hda_input_jack_report);
+
+/* free jack instances manually when clearing/reconfiguring */
+static void snd_hda_input_jack_free(struct hda_codec *codec)
+{
+	if (!codec->bus->shutdown && codec->jacktbl.list) {
+		struct hda_jack_tbl *jack = codec->jacktbl.list;
+		int i;
+		for (i = 0; i < codec->jacktbl.used; i++, jack++) {
+			if (jack->jack)
+				snd_device_free(codec->bus->card, jack->jack);
+		}
+	}
+}
+#endif /* CONFIG_SND_HDA_INPUT_JACK */